Guys you may like to refer to "Investment Biker" or "Adventure Capitalist" two books by Jim Rogers a investment banker based out of New York. Both books cover his
round the world road trips. The first book covers his trip around the world using a BMW motorcycle and the second using a Mercedes Car. Both trips he has extensively travelled through
China, Russia (erstwhile USSR) and Mongolia among other counteries which you guys are planning in this trip. He maybe of help for finding out some modalities for problems faced by you. He can be reached on
[COLOR=#0000ff]jim@jimrogers.com[/COLOR] as per the credits given in the books